We are wafer check valve specilist from China. We manufacturing : dual plate wafer check valve(Solid Lug type and Double Flange type, retainer & retainerless design) single disc wafer check valve(Thin type and thick type) Non-slam check valves &Tilting Check Valves Material: CS, SS, DDS, COPPER B 148 SERIES Seat: soft seated and metal seated. Size/Pressure: 2"-60" 150LB-2500LB Our products are made according to API, DIN, JIS. Our products are famous for the excellent quality and elegant looking, reasonable price and prompt delivery. We also manufacture valve fittings as well, such as stem, body guides, handwheel, gland, flange, etc